TMPR4937XBG-300 Toshiba, TMPR4937XBG-300 Datasheet - Page 54
TMPR4937XBG-300
Manufacturer Part Number
TMPR4937XBG-300
Description
Manufacturer
Toshiba
Datasheet
1.TMPR4937XBG-300.pdf
(552 pages)
Specifications of TMPR4937XBG-300
Family Name
TX49
Device Core Size
64b
Frequency (max)
300MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
1.5V
Operating Supply Voltage (max)
1.6V
Operating Supply Voltage (min)
1.4V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
484
Package Type
BGA
Lead Free Status / Rohs Status
Compliant
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(1) TX49/H3 Core: Consists of a CPU, System Control Coprocessor (CP0), Instruction cache, Data cache,
(2) EBUSC:
(3) DMAC0:
(4) DMAC1:
(5) SDRAMC: SDRAM Controller. Controls 4-channel SDRAM. Supports 64-bit data bus, 133 MHz
(6) PCIC:
(7) SIO:
(8) TMR:
(9) PIO:
(10) ACLC:
(11) IRC:
(12) EBIF:
(13) CG:
(14) G-Bus:
(15) IM-Bus:
(16) MB:
(17) TEST
The TX4937 has the following blocks.
Floating-point Unit (FPU), write buffer (WBU), Debugging Support Unit (DSU), and a G-Bus I/F.
•
•
•
•
FPU:
I-Cache: Instruction cache memory. 32 KB, 4-way set associative.
D-Cache: Data cache memory. 32 KB, 4-way set associative. You can select as a write policy
DSU:
External Bus Controller. Controls 8-channel ROM, SRAM, I/O.
Direct Memory Access Controller. Has 4 channels. Can transfer internal I/O device,
external I/O device, mutual memory data.
Direct Memory Access Controller. Has 4 channels. Can transfer internal I/O device, mutual
memory data.
operation, ECC/parity.
PCI Controller. Complies with PCI Local Bus Specification Revision 2.2. Supports 66 MHz
operation. Has an on-chip dedicated DMA Controller (PDMAC).
Serial I/O. This is a 2-channel asynchronous serial I/F.
Timer/counter. This is a 3-channel timer/counter.
Parallel I/O. Has an 8-bit dedicated port and an 8-bit shared port.
AC-link Controller. Is compliant to Audio CODEC '97 Revision 2.1 (AC'97).
Interrupt Controller.
External Bus Interface. Connects 20-bit External Address Bus or 64-bit External Data Bus
to SDRAMC or EBUSC.
Clock Generator. Has a built-in PLL and provides a clock to each TX4937 block.
TX4937 internal bus. This is a 64-bit, high-speed internal bus that is directly connected to
the TX49/H3 core.
TX4937 internal bus. This is a 32-bit, slow-speed internal bus that is connected to the G-
Bus via IMB.
G-Bus - IM-Bus Bridge
This is the internal diagnostic module.
An IEEE754-compliant single-precision or double-precision floating-point unit. Is
allocated as one coprocessor unit (CP1).
Write Back, Write Through No Write Allocate, or Write Through Write Allocate.
Debugging Support Unit. This is an on-chip debugging module.
2-2
Chapter 2 Configuration
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